Client drivers for most programming languages are available at https://docs.mongodb.com/manual/applications/drivers/. Use the shell (`mongo`) for administrative tasks.
MongoDB is free and the source is available. Versions released prior to October 16, 2018 are published under the AGPL. All versions released after October 16, 2018, including patch fixes for prior versions, are published under the [Server Side Public License (SSPL) v1](LICENSE-Community.txt). See individual files for details.